How to link a credit memo to an invoice in NetSuite SuiteTax

You can create a credit memo independently and then link it to an invoice.

1. In the credit memo, in the Items tab, click the Apply sub-tab.      
2. Select Apply for the invoice that you want to apply this credit memo to.
   
   
   
   
3. Click Preview Tax.
4. You can check the total tax amount in the Summary box.
5. Go to the Tax Details tab if you want to check the individual tax lines.
6. Click Save.